1、Global impact of enhanced

Use of enhanced-efficiency fertilizers (EEFs) in vegetable production could improve vegetable yield and quality while reducing reactive nitrogen (Nr) losses. However, different management and environmental factors has significantly distinctive impacts on the effectiveness of EEFs.

2、Recent advances in nitrogen and nano

Although not much is known about the usage of NFs, significant results have been observed in various plant species. Granular fertilizers are commonly applied to the soil for the nitrogen requirement of plants.

3、Advances in Nitrogen Use Efficiency of 15N

We emphasize studies utilizing 15 N-enriched fertilizers. Unlike previous studies that addressed isolated aspects of nitrogen dynamics, this review integrates findings on nitrogen transformation pathways, recovery rates, and environmental losses.

4、Fertilizers and Fertilization Strategies Mitigating Soil Factors

The aim of non-nitrogenous fertilizers is to increase the availability of nutrients that control the effectiveness of N present in the soil/plant system. A wide range of actions is required to reduce the amount of N which can pollute ecosystems adjacent to fields.

Review of research and innovation on novel fertilizers for crop

This review highlights nanofertilizers, biofertilizers, and next-generation enhanced-efficiency fertilizers, examining nutrient-release mechanisms, yield impacts, environmental outcomes,...

Enhancing nitrogen use efficiency in agriculture by integrating

The type of nitrogen fertilizer used (e.g., urea, ammonium nitrate, or slow-release fertilizers) affects the nitrogen availability and loss pathways. For example, slow-release fertilizers and nitrification inhibitors can enhance NUE by reducing nitrogen loss through leaching and volatilization.

Development of fertilizers for enhanced nitrogen use efficiency

To address these problems, enhanced efficiency fertilizers (EEFs) are continuously being developed to regulate the release of N from fertilizers, allowing for improved uptake and utilization by plants, thereby lowering losses and increasing crop productivity per unit of fertilizer.

(PDF) Nitrogen

Nitrogen Enriched Organic fertilizer (NEO) is produced using a new method, where dinitrogen (N2) is captured from the air and through a plasma process mixed with bio-based fertilizers as...

Applications of different forms of nitrogen fertilizers affect soil

The objective of this study was to investigate the impact of various chemical nitrogen fertilizers on the profile of antibiotic resistance genes (ARGs) in soil.

Enhanced efficiency fertilizer: a review on technologies, perspectives

Enhanced efficiency fertilizers are a promising alternative for increasing agricultural productivity, contributing to greater food security by providing healthier food and reducing the environmental impacts of conventional agrochemicals.

Nitrogen fertilizers play a crucial role in agricultural production. They are not only essential elements for plant growth but also key factors in promoting healthy crop development. Below is a detailed introduction to the functions, efficacy, and proper usage of nitrogen fertilizers.

I. Basic Functions and Importance of Nitrogen Fertilizers

1. Primary Functions of Nitrogen Fertilizers: Nitrogen fertilizers are indispensable nutrients during plant growth, serving critical roles in plant development. Nitrogen is a key component of proteins, which are fundamental to life activities. nitrogen fertilizers are vital for plant growth and development.
2. Importance of Nitrogen Fertilizers: Nitrogen fertilizers enhance the synthesis of chlorophyll, strengthen photosynthetic capacity, and improve carbon dioxide absorption efficiency in plants. This leads to increased crop yield and quality. Additionally, they promote root development, enhance stress resistance, and improve pest and disease resilience.
3. Relationship Between Nitrogen Fertilizers and Crop Yields: Appropriate nitrogen application significantly boosts crop yields, particularly in grains and vegetables. excessive use can reduce yields, cause soil acidification, and accumulate excess nitrogen, harming the environment and ecosystems.

II. Types and Characteristics of Nitrogen Fertilizers

1. Urea: A common nitrogen fertilizer with high nitrogen content, moderate cost, and easy storage. Urea is rapidly absorbed by plants but may cause ammonia volatilization losses if overused.
2. Ammonium Nitrate: A highly efficient nitrogen fertilizer with fast-acting properties suitable for various crops. Avoid mixing with alkaline substances to prevent reduced efficacy.
3. Diammonium Phosphate: A compound fertilizer providing balanced nitrogen, phosphorus, and potassium. It supports overall crop growth but requires supplementation with other nitrogen sources for optimal results.
4. Ammonium Chloride: A cost-effective nitrogen source with moderate nitrogen content. Stable for crop growth but avoid mixing with acidic materials.
5. Ammonium Sulfate: A versatile nitrogen fertilizer with moderate cost. Promotes steady crop growth but should not be mixed with alkaline substances.

III. Principles and Methods for Nitrogen Fertilizer Application

1. Rational Application Principles: Follow "small amounts, multiple applications." Avoid excessive use to prevent soil acidification and nutrient imbalance.
2. Timing of Application: Apply nitrogen fertilizers during early growth stages when plants have higher nitrogen demands.
3. Application Methods: Include broadcast spreading, furrow application, and hole application. Choose methods based on crop type and soil conditions.
4. Dosage Control: Adjust nitrogen amounts according to crop type, growth stage, and soil fertility. Excessive use harms crops and the environment.
5. Optimized Application Strategies: Improve efficiency by deep placement, mulching, or combining organic fertilizers with nitrogen fertilizers.

IV. Environmental Impact and Sustainable Strategies

1. Environmental Effects: Excessive nitrogen use leads to soil acidification, groundwater contamination, and air pollution. Prioritize sustainable practices to minimize harm.
2. Sustainable Strategies: Adopt eco-friendly fertilizers, promote green agriculture, and enhance soil management to reduce reliance on nitrogen fertilizers.

V. Varied Applications Across Crops

1. Grain Crops: Require higher nitrogen doses during early growth but avoid overapplication.
2. Cash Crops: Need lower nitrogen levels. Focus on quality and market value.
3. Vegetable Crops: Demand significant nitrogen. Ensure adequate supply without compromising quality.

VI. Synergy Between Nitrogen and Micronutrient Fertilizers

1. Role of Micronutrient Fertilizers: Micronutrients like iron, zinc, and manganese are critical for crop development, even in small quantities.
2. Synergistic Effects: Combining nitrogen fertilizers with micronutrient supplements enhances nutrient uptake, improving crop quality and yield. Pair nitrogen fertilizers with other nutrients for optimal results.

nitrogen fertilizers are indispensable in agriculture for enhancing crop productivity and quality. Rational use maximizes economic benefits while minimizing environmental impact. Tailoring applications to crop needs and integrating fertilizers sustainably ensures both agricultural success and ecological balance.